How to delete MGMTDB

Ref : 

• How to Move/Recreate GI Management Repository (GIMR / MGMTDB) to Different Shared Storage  (Doc ID 1589394.1)

• 12.2: How to Create GI Management Repository (Doc ID 2246123.1)

  MDBUtil: GI Management Repository configuration tool (Doc ID 2065175.1)

 MGMTDB:

. oraenv

+ASM1

as a root user for grid

crsctl stop res ora.crf -init  //node 1

crsctl stop res ora.crf -init  //node2

perfom in both the node:

crsctl modify res ora.crf -attr ENABLED=0 -init

crsctl modify res ora.crf -attr ENABLED=0 -init

srvctl status mgmtdb

as oracle user perform the below

$ORACLE_HOME/bin/dbca -silent -deleteDatabase -sourceDB -MGMTDB

$ORACLE_HOME/bin/dbca -silent -deleteDatabase -sourceDB -MGMTDB

SUCCESSFULLY DELETED MGMTDB

++++++++++++++++++++++++++++++++++++++++++++++++++++

TO  recreate the MGMTDB in Oracle Database (12.2) required to use a perl script mdbutil.pl 

REF : MDBUtil: GI Management Repository configuration tool (Doc ID 2065175.1)

./mdbutil.pl -h

./mdbutil.pl --addmdb --target=+DATA02

AS A ROOT USER FROM GRID HOME

crsctl modify res ora.crf -attr ENABLED=1 -init

crsctl start res ora.crf -init

REPEAT ON NODE 2